FTDI's 1st and 2nd generation of USB UART and USB FIFO chips can be installed with one of two sets of drivers.
The first driver type is the D2XX direct driver. This provides direct access to the device via a dynamic link library (DLL) supplied with the driver. Applications can then be written which use the functions available in the DLL to directly control the device.
The second driver type is the virtual COM port (VCP) driver. The VCP drivers emulate a standard PC COM port. These can be communicated with in the same manner as any other COM port on the PC.
Under Windows 98 and ME, the Found New Hardware Wizard should be used to install devices when they are connected to the PC for the first time as this is the recommended procedure for reliable device operation.
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Installing FT232BM, FT245BM, FT8U232AM and FT8U245AM Devices
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